it's their nevada backup and vice versa, if one slips, they want to be able to hold up there. but i'm fascinated by also what romney's done in adding this pennsylvania on sunday. is it a sign of strength, or is it potentially a sign of weakness? is it oh, wait a minute, i'm missing -- is this sort of an on-side kick, hoping you recover it and you've still got to throw the bomb because if you pick off pennsylvania, then you don't have to worry about ohio anymore. and how much of this pennsylvania stop is about that versus a sign of strength? so to me, these candidates' schedules say a lot. the fact that he's spending one less event in ohio and deciding somehow one event in pennsylvania might make a difference, i think it says a lot about where they think ohio is. >> lawrence, if you look at the preponderance of public polls, it matches with what the obama campaign says. small but durable leads. what's the best case if you're the romney campaign from their point of view? say romney can win, what would the public polls and the obama campaign be missing? >> just an overall -- what